Adobe Certification

Oracle exam, quite a lot of things to keep in mind, the examination requirement is basically the original command line, not the graphics interface operation, so the table name, and the corresponding scripts are asked to remember a lot, and the DBA exams light table mentioned in the book there are many hundreds, mainly because in the past mainly in Oracle running on UNIX systems, the availability of graphical interface software much! This is also a corresponding increase in the difficulty of the exam! Focus on the entire test understanding of concepts, not too much detail on the test.

Testinside recommended first one is the SQL. This door is not difficult, just more Shangjishijian generally no problem, but the pl / sql many of the concepts, such as triggers, to find out.1Z0-007 if the basis of database development, even more powerful.

The second door is the “database management.” The concept of a considerable number of the door, the impression that the concept of Oracle Certification storage rather thin, for example, the block also points to the segment of the pctfree and pctuse, passing a row migrate also mentioned the concept with the row chain, showing that the logical and physical objects on Oracle management can be very careful! Again, scn not only stored in the control file in the header is still in the datafile, scn was introduced between the file system to ensure coordination and coherent. Many of the doors is the optional argument basically do not mind, and too much! Test is not how these parameters in the “Performance Tuning” a detailed description of the! We only remember the most basic statement on the line!

The second door is the “database management.” The concept of a considerable number of the door, the impression that Oracle’s storage concept very small, for example, the block also points to the segment of the pctfree and pctuse, by the way also mentioned row migrate row chain with the concept, see Oracle on the logic and physical objects management can be very careful! “Database management” is a basic course Oracle as well as core curriculum, 1Z0-007 course that a number of courses in the future concepts and methods used repeatedly.

The third door is the “backup and recovery.” If 9i DBA Certification backup and recovery of the operating system to understand it, there will be some help, but difficulty Oracle backup and recovery operations is the logical object, for example, the operating table can import and export commands. The rman is the key.